User Manual

202-920-0100 Page 7 OCT. 2010
3.2 Intercom Modes
The “ICS” pushbutton switch on the left side of
the PMA9000EX provides the selection of the
three intercom modes.
This button cycles through the intercom modes,
from left to right and then back, ISO, ALL, CRW
(Crew), ALL, and ISO. The illuminated text
shows the active mode .
I
SO: The pilot is isolated from the intercom and is
connected only to the aircraft radio system. He will hear the aircraft
radio reception (and sidetone during radio transmissions). The copilot
and passengers will hear the music sources as configured by the audio
panel.
A
LL: All parties will hear the aircraft radio and intercom. Crew will
hear Entertainment 1, passengers can hear Entertainment 1 or 2. Dur-
ing any radio or intercom communications, the music volume auto-
matically decreases. The music volume increases gradually back to
Headset
Manufacturer
Model Part Number
Bose Dynamic
Electret
M87
90010
90015
90020
David Clark H10-30
H10-20, H10-40
H10-13.4, 13X
H20-10X
90010
90015
90015
90015
Lightspeed All 90015
Peltor 7003
ANR Pro, 7000
90010
90015
Pilot 11-20, 11-90, 1776, DXL 90015
Sennheiser All 90015
Telex Airman 750, AIR4000
AIR3000, Echelon 100
90010
90015
Oregon Aero MicMuff Part Numbers
Note: For optimum microphone performance, we recommend use of a
Microphone Muff Kit from Oregon Aero (1-800-888-6910). This will not only
optimize VOX performance, but will improve the overall clarity of all your
communications.